Bret Butler, 22, was arrested on one charge of possession and one charge of distributing child porn. The arrest came after a 7-month investigation.

Police say Butler had more than 20 sexually-graphic images of children on his cellphone and computers.

Butler is being held at the Boulder County Jail. His bond has been set at $200,000.

Additional Information From The Boulder Police Department

Anyone with information about this investigation is asked to contact Detective Jack Gardner at 303-441-1851. Those who have information but wish to remain anonymous may contact the Northern Colorado Crime Stoppers at 1-800-222-TIPS (8477) or 1-800-444-3776. Tips can also be submitted through the Crime Stoppers website at http://www.crimeshurt.com. Those submitting tips through Crime Stoppers that lead to the arrest and filing of charges on a suspect(s) may be eligible for a cash reward of up to $1,000 from Crime Stoppers.